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RX-4045SA

型号:

RX-4045SA

描述:

4线串行接口的高稳定性实时时钟模块[ 4-wire serial interface high-stability RTC module ]

品牌:

EPSON[ EPSON COMPANY ]

页数:

3 页

PDF大小:

49 K

New Product  
4-wire serial interface high-stability RTC module  
RX4045SA  
Preliminary  
Product number:Q4140455xxxxx00  
Built in frequency adjusted 32.768 kHz crystal unit.  
Serial interface which can be controlled by 4 or 3 signal lines.  
Dual Alarm and Timer IRQ function are Available.  
32.768 kHz clock frequency output. (FOUT)  
Low backup current : 0.48 µA / 3 V ( Typ.)  
Wide operating voltage range : 1.7 V to 5.5 V Wide timekeeper voltage range : 1.15 V to 5.5 V  
Available as small package.( SOP-14pin )  
Block Diagram  
Alarm_W Register  
( Min,Hour,Week )  
Comparator_W  
Comparator_D  
32 kHz  
Output  
Control  
FOUT  
V
DD  
Voltage  
Detect  
Alarm_D Register  
( Min,Hour )  
Divider  
Correc  
-tion  
Time Counter  
( Sec,Min,Hour,Week,Day,Month,Year )  
Div.  
OSC  
CLK  
DI  
Address  
Decoder  
Address  
Register  
OSC  
Detect  
I/O  
Control  
DO  
CE  
/ INT  
Interrupt Control  
Shift Register  
GND  
Pin Assignment  
Pin Descriptions  
Terminal Pin No.  
Descriptions  
RX - 4045 SA  
CLK  
2
Serial clock input  
32.768 kHz output  
(Nch open drain)  
Pin Assignment  
FOUT  
3
10.1  
1. N.C.  
2. CLK  
3. FOUT  
4. N.C.  
5. TEST  
6. VDD  
7. CE  
14. N.C.  
13. DO  
12. DI  
TEST  
VDD  
CE  
5
6
7
TEST terminal  
VDD  
#14  
# 8  
Chip enable  
11. GND  
10. /INT  
9. N.C.  
8. N.C.  
Interrupt output  
(Nch open drain)  
5.0 7.4  
/INT  
10  
GND  
DI  
11  
12  
13  
GND  
Data input  
Data output  
# 1  
# 7  
DO  
3.2  
1.27  
0.35  
Preliminary 2002.8 Ver.0.1  
New Product  
Specifications  
1. Operating range  
Item  
Symbol  
VDD  
Condition  
Min.  
Max.  
Unit  
Supply voltage  
Data holding voltage  
Operating temperature range  
1.70  
1.15  
-40  
5.5  
5.5  
+85  
V
V
°C  
VCLK  
TOPR  
2. Frequency characteristics  
Item  
Symbol  
f / fo  
Condition  
Ta=+25 °C , VDD=3.0 V  
Ta=-10 ~ +70 °C , VDD=3.0 V  
Max.  
Unit  
5 ± 5  
+10 / -120  
X 10-6  
X 10-6  
Frequency tolerance  
Frequency temperature  
characteristics  
Aging  
fa  
± 5  
X 10-6  
Ta=+25 °C, VDD=3.0 V,  
First year  
3. DC characteristics  
Item  
Symbol  
IDD  
Condition  
Min.  
Typ.  
0.48  
Max.  
Unit  
µA  
Current consumption  
Backup mode  
Output=Open, VDD=3 V  
1.2  
VDD detect voltage (High)  
VDD detect voltage (Low)  
VDETH  
VDETL  
Ta = +25 °C  
Ta = +25 °C  
1.90  
1.15  
2.10  
1.30  
2.30  
1.45  
V
V
Register table  
bit 7  
bit 6  
bit 5  
S20  
M20  
H20  
P/A  
-
D20  
-
Y20  
F5  
bit 4  
bit 3  
bit 2  
bit 1  
bit 0  
Address  
Item  
00  
01  
-
-
S40  
M40  
S10  
M10  
S8  
M8  
S4  
M4  
S2  
M2  
S1  
M1  
SEC.  
MIN.  
HOUR  
02  
-
-
H10  
H8  
H4  
H2  
H1  
03  
04  
05  
06  
07  
-
-
-
-
-
-
-
D8  
MO8  
Y8  
F3  
W4  
D4  
MO4  
Y4  
W2  
D2  
MO2  
Y2  
W1  
D1  
MO1  
Y1  
WEEK  
DAY  
MONTH  
D10  
MO10  
Y10  
F4  
20/19  
Y80  
0
Y40  
F6  
YEAR  
Digital offset  
Alarm_W  
( MIN. )  
Alarm_W  
( HOUR )  
Alarm_W  
( WEEK )  
Alarm_D  
( MIN. )  
F2  
F1  
F0  
08  
09  
0A  
0B  
0C  
-
-
-
-
-
WM40  
WM20  
WM10  
WH10  
WW4  
DM10  
DH10  
WM8  
WH8  
WW3  
DM8  
DH8  
WM4  
WH4  
WW2  
DM4  
DH4  
WM2  
WH2  
WW1  
DM2  
DH2  
WM1  
WH1  
WW0  
DM1  
DH1  
WH20  
WP/A  
-
WW6  
DM40  
-
WW5  
DM20  
Alarm_D  
( HOUR )  
DH20  
DP/A  
-
24/12  
/XST  
0D  
0E  
0F  
-
-
-
-
-
-
-
Control register1  
Control register 2  
WALE  
VDSL  
DALE  
VDET  
/CLEN2  
PON  
TEST  
/CLEN1  
CT2  
CTFG  
CT1  
WAFG  
CT0  
DAFG  
RX-4045 Preliminary 2002.8 Ver 0.1  
New Product  
NOTICE  
• The material is subject to change without notice.  
• Any part of this material may not be reproduced or duplicated in any form or any means without the written permission of Seiko Epson.  
• The information, applied circuit, program, using way etc., written in this material is just for reference. Seiko Epson does not assume any  
liability for the occurrence of infringing any patent or copyright of third party. This material does not authorize the licence for any patent or  
intellectual property rights.  
• Any product described in this material may contain technology or the subject relating to strategic prodects under the control of the Foreign  
Exchange and Foreign Trade Law of Japan and may require an export licence from the Ministry of international Trade and industry or other  
approval from another government agency.  
• The products(except for some product for automotive applications) listed up on this material are designed to be used with ordinary electronic  
equipment(OA equipment, AV equipment,communications equipment, measuring instruments etc). Seiko Epson does not assume any liability  
for the case using the products with the application required high reliability or safety extremely (such as aerospace equipment etc). When  
intending to use any our product with automotive application and the other application than ordinary electric equipments as above, please  
contact our sales representatives in advance.  
© SEIKO EPSON CORPORATION 2003  
ELECTRONIC DEVICE MARKETING DEPARTMENT  
EPSON ELECTRONICS AMERICA, INC.  
150 River Oaks Parkway, San Jose, CA 95134, U.S.A.  
Phone: (1)800-228-3964 (Toll free) : (1)408-922-0200 Fax: (1)408-922-0238  
EPSON EUROPE ELECTRONICS GmbH  
Riesstrasse 15, 80992 Munich, Germany  
Phone: (49)-(0)89-14005-0 Fax: (49)-(0)89-14005-110  
EPSON (CHINA) CO., LTD.  
23F, Beijing Silver Tower 2# North RD DongSangHuan ChaoYang District, Beijing, China  
Phone: (86) 10-6410-6655 Fax: (86) 10-6410-7319  
Electronic devices information on WWW server  
EPSON HONG KONG LTD.  
20/F., Harbour Centre, 25 Harbour Road, Wanchai, Hong kong  
http://www.epsondevice.com  
Phone: (852) 2585-4600 Fax: (852) 2827-2152  
EPSON TAIWAN TECHNOLOGY & TRADING LTD.  
14F, No.7, Song Ren Road, Taipei 110  
Phone: (886) 2-8786-6688 Fax: (886) 2-8786-6660  
EPSON SINGAPORE PTE. LTD.  
No.1, Temasek Avenue #36-00, Millenia Tower, Singapore 039192  
Phone: (65) 337-7911 Fax: (65) 334-2716  
SEIKO EPSON CORPORATION KOREA Office  
50F, KLI 63 Building,60 Yoido-dong, Youngdeungpo-Ku, Seoul, 150-763, Korea  
Phone: (82) 2-784-6027 Fax: (82) 2-767-3677  
RX-4045 Preliminary 2002.8 Ver 0.1  
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